LIQUID LEVEL MAINTAINER
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United States of America Patent
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app pub date -
Jan 12, 2018
filing date -
Jan 13, 2017
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Abstract
A liquid level maintainer for controlling a liquid level in a reservoir. The liquid level maintainer includes an inlet configured to be coupled to a source of pressurized fluid, an opening configured to receive liquid from the reservoir, a first outlet, and a second outlet. A first flow path is defined between the inlet and the first outlet, and a second flow path is defined between the inlet and the second outlet. A constriction is disposed in the second flow path, the constriction configured to provide a pressure differential in the second flow path for drawing the liquid from the opening towards the constriction. A third flow path is defined between the opening and the constriction. A valve is disposed in at least one of the first or second flow paths and configured to selectively open and close the at least one of the first or second flow paths.
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